CN203534643U - Mining precession vortex flow sensor - Google Patents
Mining precession vortex flow sensor Download PDFInfo
- Publication number
- CN203534643U CN203534643U CN201320506700.9U CN201320506700U CN203534643U CN 203534643 U CN203534643 U CN 203534643U CN 201320506700 U CN201320506700 U CN 201320506700U CN 203534643 U CN203534643 U CN 203534643U
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- CN
- China
- Prior art keywords
- microprocessor
- mining
- flow sensor
- housing
- vortex
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005065 mining Methods 0.000 title claims abstract description 20
- 230000010365 information processing Effects 0.000 claims abstract description 6
- 239000010453 quartz Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000009792 diffusion process Methods 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 238000012544 monitoring process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a mining precession vortex flow sensor which comprises a structure part and an information processing part. The structure part comprises a shell, a vortex starting device is installed inside the front end of the shell, a vortex stopping device is installed inside the rear end of the shell, and a pair of piezocrystal sensors are symmetrically arranged at the position of the inner wall of the middle of the shell. The information processing part comprises a flow meter integrating instrument installed in the middle of the shell, the flow meter integrating instrument comprises a microprocessor, each piezocrystal sensor is connected to the microprocessor through a pre-amplifier, a pressure sensor and a temperature sensor are connected to the microprocessor jointly through an amplifier and an A/D converter, and a storage device and a display screen are connected to the microprocessor. According to the mining precession vortex flow sensor, the piezocrystal sensors and the pressure sensor are arranged at the smallest position of the inner wall of the middle of the shell, frequency signals and pressure signals of vortex precession motions can be effectively detected, operation processing is carried out on the collected signals through the microprocessor of the flow meter integrating instrument, and the detection accuracy is improved.
Description
Technical field
The utility model relates generally to flow sensor field, relates in particular to a kind of mining vortex precession flow sensor.
Background technology
Coal mine pipeline includes mining vortex precession flow sensor with many gas parameters measurement mechanism, pipeline infrared methane sensor, pipeline carbon monoxide transducer, can be automatically, the flow of monitor gas in pipelines, methane concentration, carbonomonoxide concentration, the parameters such as pressure and temperature, there is methane concentration, the carbonomonoxide concentration sound and light of alarm that transfinites, can show on the spot flow, methane concentration, carbonomonoxide concentration, the monitoring numerical value of 5 parameters such as pressure and temperature, and the direct mark condition volume semi-invariant of tested methane gas under display standard state, to be applicable to the fixed monitoring and metering device that pipeline is carried the monitoring of gas continuous parameters.It is not accurate enough that existing flow sensor often detects while using as detection gas flow in colliery, when being to use, reason also to consider the problems such as pressure, temperature in colliery, and being the tubular that thickness is consistent, the inwall of flow sensor brings difficulty to detection, processing speed requirement to integrating instrument is very high, and common integrating instrument is difficult to reach this standard.
Utility model content
The utility model object is exactly in order to make up the defect of prior art, and a kind of mining vortex precession flow sensor is provided.
The utility model is achieved through the following technical solutions:
Mining vortex precession flow sensor, it is characterized in that: include structure division, information processing part, structure division includes housing, the two ends of housing all carry flange, the front end inside of housing has been provided with spigot, the inside, rear end of housing is provided with the whirlpool device that disappears, and the inwall place, middle part of housing is arranged with a pair of piezoeletric quartz sensor and pressure transducer, temperature sensor; Information treatment part divides and includes the flowmeter integrating instrument that is arranged on housing middle part, the power supply that flowmeter integrating instrument includes microprocessor and is connected with microprocessor, the signal output part of described a pair of piezoeletric quartz sensor is respectively by the signal input part of a prime amplifier access microprocessor, pressure transducer, temperature sensor are jointly by the signal input part of amplifier, A/D converter access microprocessor, the signal output part of microprocessor is connected with storer, and microprocessor is also connected with display screen by liquid crystal driver.
Described mining vortex precession flow sensor, is characterized in that: the described whirlpool device that rises adopts stainless steel to make, and has a plurality of helical blades.
Described mining vortex precession flow sensor, is characterized in that: described housing adopts stainless steel to process.
Described mining vortex precession flow sensor, is characterized in that: described temperature sensor be take PT1000 platinum resistance as temperature-sensing element (device).
Described mining vortex precession flow sensor, is characterized in that: it is sensitive element that described pressure transducer be take pressure resistance type diffusion silicon bridge road.
Described mining vortex precession flow sensor, is characterized in that: the microprocessor of described flowmeter integrating instrument is provided with external signal interface, and external signal interface is connected with a plurality of buttons.
Principle of the present utility model is:
When the fluid along axial enters flow sensor entrance, plaing a part under whirlpool device, be forced to rotate around center line, produce eddy-currents, eddy-currents is precession in Venturi tube, arrives after the unexpected throttling of contraction section, and eddy-currents is accelerated, when by diffuser, whirlpool center is along a conical helix precession.Now, the eddy-currents precession frequency signal being detected by two piezoeletric quartz sensors is converted to the pulse signal that two-way is directly proportional to flow velocity after front end circuit amplification, filtering, shaping, in flowmeter integrating instrument, microprocessor carries out comparison and the judgement of phase place, and reject after external undesired signal with the microprocessor of sending in flowmeter integrating instrument together with signal that temperature, pressure transducer detect and carry out calculation process, and the volumetric flow rate of fluid and total amount are directly shown on display screen.
The utility model has the advantages that:
The minimum place of middle part inwall that piezoeletric quartz sensor of the present utility model and pressure transducer are located at housing can effectively detect frequency signal and the pressure signal of whirlpool precession, microprocessor by flowmeter integrating instrument to gather signal carry out calculation process, improved the precision detecting.
Accompanying drawing explanation
Fig. 1 is the structural representation of structure division of the present utility model.
Fig. 2 is the theory diagram of information processing part of the present utility model.
Embodiment
As shown in Figure 1, 2, mining vortex precession flow sensor, include structure division, information processing part, structure division includes housing 2, the two ends of housing 2 all carry flange 8, the front end inside of housing 2 has been provided with spigot 1, and the inside, rear end of housing 2 is provided with the whirlpool device 7 that disappears, and the inwall place, middle part of housing 2 is arranged with a pair of piezoeletric quartz sensor 4 and pressure transducer 6, temperature sensor 5, information treatment part divides and includes the flowmeter integrating instrument 3 that is arranged on housing 2 middle parts, the power supply 10 that flowmeter integrating instrument 3 includes microprocessor 9 and is connected with microprocessor 9, the signal output part of a pair of piezoeletric quartz sensor 4 is respectively by the signal input part of a prime amplifier 11 access microprocessors 9, pressure transducer 6, temperature sensor 5 is common by amplifier 12, the signal input part of A/D converter 13 access microprocessors 9, the signal output part of microprocessor 9 is connected with storer 14, microprocessor 9 is also connected with display screen 16 by liquid crystal driver 15.
Play whirlpool device 1 and adopt stainless steel to make, there are a plurality of helical blades.
It is sensitive element that pressure transducer 6 be take pressure resistance type diffusion silicon bridge road.
The microprocessor 9 of flowmeter integrating instrument 3 is provided with external signal interface, and external signal interface is connected with a plurality of buttons 17.
Claims (6)
1. mining vortex precession flow sensor, it is characterized in that: include structure division, information processing part, structure division includes housing, the two ends of housing all carry flange, the front end inside of housing has been provided with spigot, the inside, rear end of housing is provided with the whirlpool device that disappears, and the inwall place, middle part of housing is arranged with a pair of piezoeletric quartz sensor and pressure transducer, temperature sensor; Information treatment part divides and includes the flowmeter integrating instrument that is arranged on housing middle part, the power supply that flowmeter integrating instrument includes microprocessor and is connected with microprocessor, the signal output part of described a pair of piezoeletric quartz sensor is respectively by the signal input part of a prime amplifier access microprocessor, pressure transducer, temperature sensor are jointly by the signal input part of amplifier, A/D converter access microprocessor, the signal output part of microprocessor is connected with storer, and microprocessor is also connected with display screen by liquid crystal driver.
2. mining vortex precession flow sensor according to claim 1, is characterized in that: the described whirlpool device that rises adopts stainless steel to make, and has a plurality of helical blades.
3. mining vortex precession flow sensor according to claim 1, is characterized in that: described housing adopts stainless steel to process.
4. mining vortex precession flow sensor according to claim 1, is characterized in that: described temperature sensor be take PT1000 platinum resistance as temperature-sensing element (device).
5. mining vortex precession flow sensor according to claim 1, is characterized in that: it is sensitive element that described pressure transducer be take pressure resistance type diffusion silicon bridge road.
6. mining vortex precession flow sensor according to claim 1, is characterized in that: the microprocessor of described flowmeter integrating instrument is provided with external signal interface, and external signal interface is connected with a plurality of buttons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320506700.9U CN203534643U (en) | 2013-08-19 | 2013-08-19 | Mining precession vortex flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320506700.9U CN203534643U (en) | 2013-08-19 | 2013-08-19 | Mining precession vortex flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203534643U true CN203534643U (en) | 2014-04-09 |
Family
ID=50420838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320506700.9U Expired - Lifetime CN203534643U (en) | 2013-08-19 | 2013-08-19 | Mining precession vortex flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203534643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630171A (en) * | 2013-08-19 | 2014-03-12 | 三正集团股份有限公司 | Mining screw-in vortex flow sensor |
| CN110631646A (en) * | 2018-06-22 | 2019-12-31 | 微动公司 | Vortex flowmeter supporting flow instability detection |
-
2013
- 2013-08-19 CN CN201320506700.9U patent/CN203534643U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630171A (en) * | 2013-08-19 | 2014-03-12 | 三正集团股份有限公司 | Mining screw-in vortex flow sensor |
| CN110631646A (en) * | 2018-06-22 | 2019-12-31 | 微动公司 | Vortex flowmeter supporting flow instability detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |
|
| CX01 | Expiry of patent term |